Mycorrhiza is the:

Related Mcqs:

1. Mycorrhiza is an example of:

   A. Decomposers
   B. Endoparasitism
   C. Ectoparasitism
   D. Symbiotic relationship

2. Mycorrhiza is the phenomenon of:

   A. Antagonism
   B. Parasitism
   C. Endemism
   D. Symbiosis

3. Mycorrhiza is a symbiotic association between:

   A. Algae and fungi
   B. Algae and bryophytes
   C. Algae and roots of gymnosperms
   D. Fungi and roots of higher plants

4. In which type of the forest, humus is formed by the dry and dead leaves:

   A. Coniferous forest
   B. Alpine
   C. Tundra forest
   D. Deciduous forest

5. The average amount of CO2 in atmosphere is:

   A. 0.30%
   B. 0.00%
   C. 3.00%
   D. 0.03%

6. As a result of fire, there is destruction of the following components of soil:

   A. Litter
   B. Organisms
   C. Inorganic matter
   D. All of these

7. Flowering is induced if germinating seeds are exposed to:

   A. Low temperature
   B. High Temperature
   C. Temperature below freezing
   D. Temperature above 45 degree C

8. Which of the following is a malacophyllous xerophyte?

   A. Prosopis
   B. Tephrosia
   C. Nerium
   D. Aloe

9. The rock cover of the earth is called:

   A. Lithosphere
   B. Xerosphere
   C. Pasmmosphere
   D. Pedosphere

10. Competition is most severe between:

    A. Closely related species growing in the same habitat
    B. Closely related species growing in the same niche
    C. Distantly related species growing in different niche
    D. Distantly related species growing in different habitat